[PATCH 2/2] staging: goldfish: Add goldfish sync driver

[kbuild test robot]

Hi Roman,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on staging/staging-testing]
[also build test WARNING on v4.18-rc2 next-20180627]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/rkir-google-com/goldfish-Add-functions-to-simplify-goldfish-related-MMIO/20180628-055436
config: i386-allmodconfig (attached as .config)
compiler: gcc-7 (Debian 7.3.0-16) 7.3.0
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All warnings (new ones prefixed by >>):

   drivers/staging/goldfish/goldfish_sync_timeline.c: In function 'run_command_locked':
>> drivers/staging/goldfish/goldfish_sync_timeline.c:564:11: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
              (u64)timeline,
              ^
>> drivers/staging/goldfish/goldfish_sync_timeline.c:574:5: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
        (struct goldfish_sync_timeline_obj *)
        ^
   drivers/staging/goldfish/goldfish_sync_timeline.c:594:5: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
        (struct goldfish_sync_timeline_obj *)
        ^
   drivers/staging/goldfish/goldfish_sync_timeline.c:607:5: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
        (struct goldfish_sync_timeline_obj *)
        ^
   drivers/staging/goldfish/goldfish_sync_timeline.c: In function 'goldfish_sync_ioctl':
   drivers/staging/goldfish/goldfish_sync_timeline.c:800:6: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
         (u64)timeline);
         ^

vim +564 drivers/staging/goldfish/goldfish_sync_timeline.c

   548	
   549	void run_command_locked(const struct goldfish_sync_hostcmd *todo,
   550				struct goldfish_sync_state *sync_state)
   551	{
   552		switch (todo->cmd) {
   553		case CMD_SYNC_READY:
   554			break;
   555	
   556		case CMD_CREATE_SYNC_TIMELINE:
   557			dev_info(sync_state->dev, "CMD_CREATE_SYNC_TIMELINE\n");
   558			{
   559				struct goldfish_sync_timeline_obj *timeline =
   560					goldfish_sync_timeline_create(sync_state);
   561	
   562				goldfish_sync_hostcmd_reply(sync_state,
   563							    CMD_CREATE_SYNC_TIMELINE,
 > 564							    (u64)timeline,
   565							    0,
   566							    todo->hostcmd_handle);
   567			}
   568			break;
   569	
   570		case CMD_CREATE_SYNC_FENCE:
   571			dev_info(sync_state->dev, "CMD_CREATE_SYNC_FENCE\n");
   572			{
   573				struct goldfish_sync_timeline_obj *timeline =
 > 574					(struct goldfish_sync_timeline_obj *)
   575						todo->handle;
   576	
   577				int sync_fence_fd =
   578					goldfish_sync_fence_create(sync_state,
   579								   timeline,
   580								   todo->time_arg);
   581	
   582				goldfish_sync_hostcmd_reply(sync_state,
   583							    CMD_CREATE_SYNC_FENCE,
   584							    sync_fence_fd,
   585							    0,
   586							    todo->hostcmd_handle);
   587			}
   588			break;
   589	
   590		case CMD_SYNC_TIMELINE_INC:
   591			dev_info(sync_state->dev, "CMD_SYNC_TIMELINE_INC\n");
   592			{
   593				struct goldfish_sync_timeline_obj *timeline =
   594					(struct goldfish_sync_timeline_obj *)
   595						todo->handle;
   596	
   597				goldfish_sync_timeline_inc(sync_state,
   598							   timeline,
   599							   todo->time_arg);
   600			}
   601			break;
   602	
   603		case CMD_DESTROY_SYNC_TIMELINE:
   604			dev_info(sync_state->dev, "CMD_DESTROY_SYNC_TIMELINE\n");
   605			{
   606				struct goldfish_sync_timeline_obj *timeline =
   607					(struct goldfish_sync_timeline_obj *)
   608						todo->handle;
   609	
   610				goldfish_sync_timeline_destroy(sync_state, timeline);
   611			}
   612			break;
   613	
   614		default:
   615			dev_err(sync_state->dev, "Unexpected command: %u\n", todo->cmd);
   616			break;
   617		}
   618	
   619		dev_info(sync_state->dev, "Done executing sync command\n");
   620	}
   621	

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation
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